(A) Total body weight, whole body lean mass, and fat mass were assessed in 4–5-month-old WT and MT1 KO mice. Lipid parameters were measured in the plasma of WT and MT1 KO mice fed a normal chow diet. (B) Free Fatty Acids (C) Total Lipid, Triglycerides (TG), Phospholipids (PLP) (D) Total Cholesterol, HDL Cholesterol, LDL Cholesterol. Results are expressed as mean ± SEM (n=5–7; students t-test *p<0.05).